From a 1 x 8, Point-to-Point Diamonds, or any other applicable
formation in which there are Centers of each side.

The Centers of each side work together, around the Very Center
dancers, to do the first anything call (ending, if possible, near the short
axis of the starting formation;
see note below);
Remaining Outsides (2 or 4 dancers) move toward the Center (without changing
their facing direction) and work with the original Centermost dancers to do the
second anything call.

Within the following possible starting formations for Checkpoint,

The dancers take the first anything call, and

The dancers take the second anything call.

Note: If the first anything call ends in a 2 x 2,
the dancers doing that call must end close to the short axis of the starting formation.
The following diagrams indicate the ending formation after the first
anything call when the first anything call ends in a 2 x 2.

If you start here...

or here...

and the first anything call ends in a 2 x 2, then

you must end hereafter the first anything call.

You may not end here,since you are on thelong axis of the starting formation.

If you start here...

or here...

and the first anything call ends in a 2 x 2, then

you must end hereafter the first anything call.

You may not end here,since you are on thelong axis of the starting formation.

Hint: Those doing the second anything call should wait until those
doing the first anything call have moved out of the way.

Checkpoint Touch 1/4 By Flip The Diamond:

beforeCheckpoint Touch 1/4By Flip The Diamond

afterTouch 1/4

afterFlip The Diamond

(done)

Checkpoint Recycle By Turn & Deal:

beforeCheckpoint RecycleBy Turn & Deal

afterRecycle

afterTurn & Deal

(done)

Checkpoint Single Wheel By Grand 1/4 Thru:

beforeCheckpoint Single WheelBy Grand 1/4 Thru

afterSingle Wheel

afterGrand 1/4 Thru

(done)

Checkpoint Trail Off By Dixie Style To A Wave:

beforeCheckpoint Trail OffBy Dixie Style To A Wave

afterTrail Off

afterDixie Style To A Wave

(done)

Checkpoint Walk & Dodge By Explode The Wave:

beforeCheckpoint Walk & DodgeBy Explode The Wave

afterWalk & Dodge

afterExplode The Wave

(done)

Reverse Checkpoint anything By anything[C3B](Vic Ceder 1985):
From applicable formations.
Center 4 do the first anything call and the resulting Ends (of that
Center 4) move away from the Center of the Set without changing their facing
direction (i.e., Stable). The Others (original Outsides) work around
the Very Centers to do the second anything call, ending as close as
possible to the positions vacated by the resulting Ends of the Center 4.